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Frontend Engineer

Role overview

Qualifications

  • Expertise in TypeScript, HTML5, and CSS3.
  • Deep knowledge of React.js, including Hooks and state management.
  • Solid understanding of frontend security vulnerabilities and mitigation strategies.
  • Excellent communication skills in English.

Responsibilities

  • Design, develop, and maintain scalable and responsive web applications using React.js and TypeScript.
  • Transform wireframes and prototypes into functional, high-quality interactive components.
  • Drive the adoption of frontend best practices, ensuring clean and modular code.
  • Safeguard and optimize API calls, ensuring proper data validation and secure cookie management.

About the company

MdotM logo

MdotM

Investment Management

MdotM is a performance-based mobile Demand Side Platform reaching more than 300MM unique users across iOS and Android. The MdotM Demand Side Platform allows advertisers and agencies to efficiently reach their target audience in real-time by gaining access to billions of monthly mobile ad requests

Company details

IndustryInvestment Management
Company size11 - 50

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Job description

Role Overview 

As a Frontend Engineer, you will be responsible for creating the visual and interactive aspects of our applications, ensuring a seamless UI/UX experience. You will collaborate closely with designers, backend developers, and product teams to transform wireframes into functional, responsive, and secure web pages. We are looking for someone who doesn't just write code, but actively suggests the best technical solutions in a cross-functional environment.


Your responsibilities

  • Design, develop, and maintain scalable and responsive web applications using React.js and TypeScript.
  • Transform wireframes and prototypes into functional, high-quality interactive components with a focus on seamless user experience.
  • Drive the adoption of frontend best practices, ensuring code is clean, modular, and follows modern standards.
  • Safeguard and optimize API calls, ensuring proper data validation and secure cookie management.
  • Implement robust security measures including XSS prevention, CSRF protection, and secure data handling (HTTPS/Encryption).
  • Manage authentication and authorization flows, ensuring secure handling of user sessions and role-based access control (RBAC).
  • Work closely with designers, backend developers, and product teams to define requirements and meet deadlines in a cross-functional environment.


Requirements

  • Expertise in TypeScript, HTML5, and CSS3.
  • Deep knowledge of React.js, including Hooks, state management (Redux, Context API), and component lifecycle.
  • Solid understanding of frontend security vulnerabilities and mitigation strategies (sanitization, input validation).
  • Proficiency in handling asynchronous data and experience with Git for versioning and collaboration.
  • Experience with frontend testing libraries.
  • Excellent communication skills in English (written and spoken), with the ability to explain technical solutions to various stakeholders.

Bonus Points

  • Familiarity with Vite.
  • Understanding of backend systems.
  • Familiarity with React Query.
  • Hands-on experience with Docker or CI/CD pipelines.

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MR

Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
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